Behavioral task
behavioral1
Sample
2024-04-20_e3f5067e401450c84a51d0645d744302_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-20_e3f5067e401450c84a51d0645d744302_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-20_e3f5067e401450c84a51d0645d744302_cryptolocker
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Size
50KB
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MD5
e3f5067e401450c84a51d0645d744302
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SHA1
0f2d1db1310f5fda3de2f2e775d46a8d28ec0865
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SHA256
c4d54d330e45c2f02ac1b55baaff5b2179846c2b5af07a599a4feb01d1ae1c4f
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SHA512
af786abd585a98d1be61f3757de5cddc915166e7bb8714e2c20e066ceee9fa782e222e45bee250f3a8035f4d199cb2c0401d4257233ed0cf199832183ad7d998
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOP:bODOw9acifAoc+v8
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-20_e3f5067e401450c84a51d0645d744302_cryptolocker
Files
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2024-04-20_e3f5067e401450c84a51d0645d744302_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE